APA (7th ed.) Citation

(2013). National Geographic Januari s/d April th. 2013. Kompas Gramedia.

Chicago Style (17th ed.) Citation

National Geographic Januari S/d April Th. 2013. Kompas Gramedia, 2013.

MLA (8th ed.) Citation

National Geographic Januari S/d April Th. 2013. Kompas Gramedia, 2013.

Warning: These citations may not always be 100% accurate.